Adam Monroe, also known as Takezo Kensei in feudal Japan, is a fictional character in the NBC science fiction drama Heroes, portrayed by David Anders. His first appearance was in the episode "Four Months Later...", although the legend of Kensei has been referred to in earlier episodes. The name "Kensei" means "Sword Saint" and "Takezo" is the birthname of the historical swordmaster Miyamoto Musashi. Kensei is based upon Musashi. According to the legend, Kensei was a Japanese hero, well known for saving Japan from "White Beard" in the 17th century. However, he proves to be an Englishman who went to Japan seeking to get rich.